Finding the Fourth Proportional to 173,131.44, 259,734.72 and 53,188.80

Step by Step Solution

1. Step 1: Write the proportion equation
   173,131.44 : 259,734.72 = 53,188.80 : x
2. Step 2: Convert to fraction form
   173,131.44/259,734.72 = 53,188.80/x
3. Step 3: Cross multiply
   173,131.44x = 259,734.72 × 53,188.80
4. Step 4: Simplify right side
   173,131.44x = 13,814,978,075.14
5. Step 5: Solve for x
   x = 13,814,978,075.14/173,131.44
6. Step 6: Final answer
   x = 79,794.74